<template>
    <div class="app-container">


        <el-form :inline="true"  class="demo-form-inline">

            <el-form-item label="">
                <el-input clearable @clear="search()" v-model="searchMap.where.title" placeholder="题库名称"></el-input>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" @click="search()">查询</el-button>

                <el-button type="primary" @click="form = {}; dialogFormVisible = true">添加题库</el-button>
                <el-button type="danger" @click="deleteBatch()">批量删除</el-button>
            </el-form-item>
        </el-form>
        <el-table :data="repoList" style="width: 100%" @select="selectItem" @select-all="selectItem">
            <el-table-column type="selection" width="55">
            </el-table-column>
            <el-table-column prop="title" label="题库名称">
            </el-table-column>
            <el-table-column prop="remark" label="题库备注">
            </el-table-column>
            <el-table-column prop="radioCount" label="单选数量">
            </el-table-column>
            <el-table-column prop="multiCount" label="多选数量">
            </el-table-column>
            <el-table-column prop="judgeCount" label="判断数量">
            </el-table-column>
            <el-table-column prop="jdtCount" label="简答题数量">
            </el-table-column>
            <el-table-column prop="createTime" label="创建时间">
            </el-table-column>
            <el-table-column label="操作" width="180">
                <template slot-scope="scope">
                    <!-- {{ scope.row }} -->
                    <el-button type="primary" size="mini" icon="el-icon-edit"
                        @click="form = scope.row; dialogFormVisible = true">修改</el-button>
                    <el-button type="danger" size="mini" icon="el-icon-delete"
                        @click="deleteById(scope.row.id)">删除</el-button>

                </template>
            </el-table-column>
        </el-table>
        <br>
        <el-pagination style="float: right" @size-change="handleSizeChange" @current-change="handleCurrentChange"
            :current-page="searchMap.now" :page-sizes="[5, 10, 50, 100]" :page-size="searchMap.size"
            layout="total, sizes, prev, pager, next, jumper" :total="total">
        </el-pagination>
        <el-dialog title="添加/修改题库" :visible.sync="dialogFormVisible">
            <el-form ref="repo" :model="form" :rules="rules">
                <el-form-item label="题库名称" prop="title">
                    <el-input v-model="form.title" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="题库备注">
                    <el-input v-model="form.remark" autocomplete="off"></el-input>
                </el-form-item>

            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="save('repo')">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>
<script>
import { fetchData, save, deleteById, deleteBatch } from '@/api/repo'
export default {
    data() {
        // 自定义校验规则
        var checkAge = (rule, value, callback) => {
            // if (value.indexOf("v") == -1) {
            //     return callback(new Error('标题必须包含v'));
            // } else {
            //     callback();
            // }
            callback();
        };
        return {
            repoList: [],
            searchMap: {
                now: 1,
                size: 5,
                where: {
                    title: ""
                }
            },
            total: 0,
            dialogFormVisible: false,
            form: {},
            rules: {
                title: [
                    { required: true, message: '请输入题库名称', trigger: 'blur' },
                    { min: 3, max: 20, message: '长度在 3 到 20 个字符', trigger: 'blur' },
                    { validator: checkAge, trigger: 'blur' }
                ],
            },
            deleteIds: [],
        }
    },
    methods: {
        search() {
            fetchData(this.searchMap).then(res => {
                console.log(res);
                this.repoList = res.list;
                this.total = res.total;
            })
        },
        handleSizeChange(size) {
            this.searchMap.size = size;
            this.search();
        },
        handleCurrentChange(page) {
            this.searchMap.now = page;
            this.search();
        },
        save(formName) {
            // 表单校验
            this.$refs[formName].validate((valid) => {
                if (valid) {
                    save(this.form).then(res => {
                        this.$message({
                            message: res.msg,
                            type: res.code == 0 ? 'success' : 'error'
                        });
                        this.dialogFormVisible = false;
                        this.searchMap.now = 1;
                        this.search()
                    });
                } else {
                    return false;
                }
            });
        },
        deleteById(id) {
            this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => {
                deleteById(id).then(res=>{
                    this.$message({
                        type:res.code==0?'success':'danger',
                        message:res.msg
                    });  
                    this.searchMap.now=1;
                    this.search();
                })
            }).catch(() => {
                this.$message({
                    type: 'info',
                    message: '已取消删除'
                });
            });
        },
        deleteBatch() {            
            deleteBatch(this.deleteIds).then(res => {
                this.$message({
                    type: res.code == 0 ? 'success' : "error",
                    message: res.msg,
                });
                this.search();
            }).catch(err=>{
                console.log(err);
            })
        },
        selectItem(selection, row) {
            console.log(selection);
            this.deleteIds = [];
            selection.forEach(item => {
                this.deleteIds.push(item.id);
            });

        }
    },
    created() {
        this.search()
    }
}
</script>